[7] Thomas re-signed for Southern League Premier Division Central side Tamworth on 31 May 2021.

[8] Thomas made his second debut for Tamworth on the 14 August 2021, the opening day of the Southern League Premier Division Central season away at Royston Town, with his new club succumbing to a disappointing 3–0 defeat.

[9] Thomas became a mainstay in the Tamworth line up, and scored his first goal on 9 November 2021 in an away Southern League Premier Division Central fixture against Bromsgrove Sporting, Thomas scored on the 16th minute to give Tamworth the lead with a long range effort that beat Bromsgrove Sporting goalkeeper Ákos Onódi.

[10] On the 26 February 2022, Jack scored his second goal for Tamworth in a 6-0 demolition of Barwell in a home Southern League Premier Division Central fixture.

[13][14] On 30 May 2024, Thomas joined Northern Premier League Division One Midlands side Anstey Nomads.